Dual windage blocker and retention feature design for seal assembly
US11846355B2 · kind B2 · utility
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10References
16Claims
0Family size
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Key dates
| Filing date | Oct 16, 2020 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Feb 23, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3268
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal assembly includes a rotatable shaft and a stationary housing circumscribing the shaft to form radially inner and radially outer boundaries of a seal cavity and a buffer cavity adjacent to the seal cavity. A retention member engaging the housing within the seal cavity includes an end plate extending radially at the axial boundary between the seal and buffer cavities and a protrusion extending from the end plate into the buffer cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.